Conclusion A paratracheal air cyst situated at the thoracic inlet with a fine communicating channel with the trachea is the most reliable CT sign of the disease. 结论位于胸腔入口处气管右外后侧和气管间有细管状交通的含气囊肿影是本病最可靠的CT征象。
[ Results] 4 cases of cyst were found in mediastinum and 8 cases in lungs, among which 11 cases were liquid cyst and one was air cyst. 结果位于纵隔内4例,肺内8例,其中含液囊肿11例,含气囊肿1例。
Air was manifested in the cyst in 3 cases, liquid in 2 cases, and a mixture of gas and liquid in 3 cases. 含气囊肿3例,含液囊肿2例,含气液混合囊肿3例。